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Descent™ Mk3i – 51 mm

Silver and black PVD titanium with black/pebble grey silicone band

Part number: 010-02752-08

489.000 KD

6 in stock

Description

video

DISCOVER A DEEPER CONNECTION

Featuring SubWave™ sonar-based communication and diver monitoring, this advanced, air-integrated¹ dive computer and smartwatch comes with Garmin innovations to help prepare you to make the most of your diving experience — plus multisport training and smart features for your active life out of the water.

SUBWAVE SONAR-BASED DIVER MESSAGING

UP TO 66 HOURS OF BATTERY LIFE IN DIVE MODE

CHOOSE FROM MULTIPLE DIVE MODES

DIVEVIEW™ COLOUR MAPS WITH DEPTH CONTOURS AND DIVE SITES

USE THE DIVE READINESS TOOL TO INFORM YOUR PREPARATION

BUILT-IN LED FLASHLIGHT WORKS ABOVE OR BELOW WATER

WHAT YOU’LL LOVE

AIR INTEGRATION

Pair with our Descent™ T2 transceivers (sold separately) for integrated pressure monitoring on up to 8 tanks via the SubWave sonar data network.

SUBWAVE SONAR NETWORKING

Exchange preset diver-to-diver messages up to 30 metres as well as monitor tank pressures and depth for up to 8 divers within a range of 10 metres1.

DIVE READINESS TOOL

This Garmin first technology shows how lifestyle factors such as sleep, exercise, stress and jet lag can affect your body — to help gauge when you are best prepared to dive.

DIVE MODES

Get multiple dive modes for single and multiple gas dives (including nitrox and trimix), gauge, apnea, apnea hunt and closed-circuit rebreather.

DIVEVIEW MAPS

Colour maps on your wrist offer bathymetric depth contours and more than 4,000 dive sites to help you discover new places to dive and get oriented.

DIVE-FOCUSED DESIGN

With its bright 1.4” AMOLED colour display, sapphire lens, 200-metre dive-rated case and leakproof metal inductive buttons, this dive computer is built to go deep.

A STANDARD ABOVE FOR YOUR WORLD BELOW

DIVE FEATURES


DIVE LOG

Store and review data, track gear, take notes — and share via the Garmin Dive™ smartphone app.

BUILT-IN LED FLASHLIGHT

See and be seen with variable light intensities and strobe modes, in or out of the water.

LONG BATTERY LIFE

Stay in the water longer with up to 66 hours in dive mode plus up to 25 days in smartwatch mode.

CUSTOMISABLE DIVE MODES

Add additional screens for each dive mode that features the fields you want to see.

LUME MODE

To aid readability and help maintain night vision, an ambient light sensor gives a green luminescence to your watch face in low-light conditions.

DIVE COMPASS

Built-in ABC sensors, including an underwater compass, help navigate every part of your dive.

SURFACE GPS

Track your entry and exit points on the surface with advanced satellite connectivity.

GARMIN DIVE APP

Pair the app with your Descent dive computer to automatically sync and upload your dive logs.

REFERENCE POINT

Use this GPS tool for surface navigation to a dive site, so you can drop right onto your target every time.

VARIOMETER

This tool helps you monitor your freedive descent and ascent rates through tone and vibration feedback.

Big Numbers Mode

Get a simplified dive screen on your wrist, with larger text to see critical diving data.

TIDE DATA

Stay up to date on ocean conditions by pairing your Descent dive computer with your compatible smartphone.

INREACH® DEVICE COMPATIBLE

Pair with inReach devices2 and the inReach dive case for satellite messaging off-grid.

NDL AWARE™ DEPTH METRICS

Extend your bottom time with NDL Aware depth metrics that work in real time to show how specific depth changes can impact your no-decompression limit (NDL).

POST-DIVE ACTIVITY GUIDANCE

Physical fitness is important for divers, but exercising shortly after a dive can increase the risk of decompression sickness. Post-dive activity guidance alerts you when it may be a good idea to postpone your training due to a recent dive.

SIDEMOUNT TANK SWITCH GUIDANCE

When diving with sidemounted tanks, receive visual guidance on your compatible Descent dive computer paired with a Descent™ T2 transceiver as a reminder to switch tanks at a preset pressure value. This allows you to keep tank buoyancy balanced and properly manage a redundant gas supply throughout your dive.

HEALTH AND FITNESS FEATURES


SPORTS APPS

Use preloaded activity profiles for trail running, swimming, running, biking, hiking, rowing, skiing, golfing and more.

SURF ACTIVITY

Record the number of waves surfed, maximum speed reached, distance travelled and more.

SURFLINE® CAMERA

Create a video of every wave you ride in front of a Surfline camera with Surfline Sessions™ technology. Use the Surfline widget to see tide, wave height, wind and surf rating for each of the five nearest surf spots3.

BACKCOUNTRY SKI AND SNOWBOARD

Get ascent and descent data along with metrics such as cadence, stride length and grade.

VO2 MAX

See your current fitness level and track changes over time to set goals, evaluate progress and more.

RECOVERY TIME

Know how long you need to recover before your next high-effort workout based on your latest training.

DAILY SUGGESTED WORKOUTS

View your entire week of daily suggested workouts which adapt after every run or ride.

ANIMATED WORKOUTS

Follow animated workouts for cardio, strength, yoga and Pilates workouts on the watch screen.

WRIST-BASED HEART RATE

This dive computer constantly samples your heart rate4 to help you gauge how hard you work during activities.

LIFESTYLE LOGGING

Log behaviours — such as caffeine and alcohol intake — and view reports on how they impact your health in the Garmin Connect™ app.

pulse ox sensor

Track your blood oxygen saturation while you’re awake or asleep, and gain awareness of how you’re adapting to altitude5.

JET LAG ADVISER

Help to minimise the effects of jet lag with guidance on light exposure, sleep schedule and exercise.

ENDURANCE SCORE

This measurement uses your VO2 max, training loads and other factors to show how training affects your ability to sustain prolonged physical efforts.

HILL SCORE

Based on your VO2 max and training history, this feature measures your strength and endurance for running uphill.

GARMIN COACH

Train for physical challenges with expert coaching and a dynamic training plan keyed to your goals and performance.

SLEEP MONITORING AND SLEEP SCORE

Understand your body’s recovery with sleep score, breakdown of your sleep stages and detailed insights for improved sleep quality4.

BREATHING VARIATIONS

For a closer glimpse of your health, the breathing variations feature helps you understand shifts in your breathing patterns as you sleep⁶. These shifts could be related to environment, alcohol, or potential sleep disorders such as sleep apnea.

NAVIGATION AND ORIENTATION FEATURES


SATIQ™ TECHNOLOGY

Get superior positioning accuracy with multi-band GPS while optimising battery life.

MULTICONTINENT TOPO MAPS

Preloaded TopoActive maps from around the world keep your explorations on track.

SKIVIEW™ MAPS

View run names and difficulty ratings for more than 2,000 preloaded ski resorts worldwide.

ABC SENSORS

Navigate your next trail with an altimeter, barometer and 3-axis electronic compass.

PACEPRO™ TECHNOLOGY

Plan race-day strategy with GPS-based pace guidance for a selected course or distance.

COURSES WITH TURN-BY-TURN DIRECTIONS

Create or find existing courses in the Garmin Connect™ app, or sync from your favourite third-party platforms, and get turn-by-turn directions.

ROUND-TRIP ROUTING

Enter how far you want to go, and get suggested routes that will bring you back – even use TrendLine™ routing to find the best local paths.

CONNECTED LIFESTYLE FEATURES


SAFETY AND TRACKING FEATURES

If you feel unsafe or if your watch senses that an incident occurred, your watch will send a message with your live location6.

MUSIC

Download songs and playlists from your Spotify, Deezer, Amazon Music or YouTube® Music accounts for phone-free listening (subscription may be required).

GARMIN PAY™ CONTACTLESS PAYMENTS

Breeze through checkout lines or transit systems with participating providers.

SMART NOTIFICATIONS

Receive emails, texts and alerts on your watch when paired with your iPhone® or Android™ smartphone.

CONNECT IQ™ STORE

Add watch faces, data fields and apps to your paired smartwatch.

Specs

What You'll Love

Sleep Score and Insights  
Battery life (smartwatch mode) Up to 25 days (10 days always-on)
Built-in mapping  
Pulse Ox Blood Oxygen Saturation  
LED flashlight  
Garmin Pay™  
Multi-band GPS  
Music storage  
Training Readiness  
Training Status Improved
Watch display type AMOLED
Touchscreen  
Water rating Dive (200 metres)

General

Strap material Silicone or DLC coated titanium
Lens material Sapphire crystal
Bezel material Diamond-like Carbon (DLC) coated titanium or silver and black PVD coated titanium
Case material Fibre-reinforced polymer with titanium rear cover
QuickFit watch band compatible Yes (26 mm)
Physical size 51 x 51 x 16.4 mm
Fits wrists with the following circumference:
Silicone band: 135-230 mm
Extra long silicone band: 135-355 mm
Titanium bracelet: 135-220 mm
Weight No bands: 77.8 g
Silicone band: 105.6 g
Titanium band: 165.9 g
Leakproof inductive buttons  
Display Size 35.56 mm (1.4”) diameter
Display Resolution 454 x 454 pixels
Colour display  
Large font option  
Battery life Smartwatch: Up to 25 days (10 days always-on)
Battery saver watch mode: Up to 31 days
GPS Only: Up to 76 hours (56 hours always-on)
All Satellite Systems: Up to 55 hours (43 hours always-on)
All Satellite Systems + Multi-band: Up to 48 hours (38 hours always-on)
All Satellite Systems + Music: Up to 17 hours
Max Battery GPS: Up to 118 hours
Expedition GPS: Up to 24 days
Dive mode: up to 66 hours
Dive Mode with Air Integration: Up to 40 hours
Charging method Garmin proprietary clip charger
Memory/history 32 GB

Clock features

Time/date  
GPS time sync  
Automatic daylight saving time  
Alarm clock  
Timer  
Stopwatch  
Sunrise/sunset times  

Health & Wellness Monitoring

Heart Rate (Constant, every second)  
Resting heart rate  
Abnormal Heart Rate Alerts Yes (high and low)
Respiration Rate  
Fitness Age Yes (in app)
Body Battery™ Energy Monitor  
All-day Stress  
Relaxation Breathing Timer  
Breathwork  
Sleep Yes (advanced)
Nap detection  
Hydration Yes (in Garmin Connect™)
Women's Health Yes (in Garmin Connect™)
Health Snapshot  
Skin temperature  
Jet lag adviser  

Sensors

GPS  
GLONASS  
Galileo  
SatIQ™ technology  
Garmin Elevate™ wrist heart rate monitor  
Pulse Ox blood oxygen saturation monitor  
Barometric altimeter  
Compass  
Gyroscope  
Accelerometer  
Thermometer  
Ambient light sensor  
Depth sensor  

Daily smart features

Find my phone  
Find My Garmin (helps locate lost device)  
Find My Phone during GPS activity  
Connectivity Bluetooth®, ANT+®, Wi-Fi®, SubWave™
Connect IQ™ (downloadable watch faces, data fields and apps)  
On-device Connect IQ™ Store  
Smart Notifications  
Text response/reject phone call with text (Android™ only)  
View images from notifications on watch (Android™ only)  
Morning report  
Calendar  
Weather forecasts  
Realtime settings sync with Garmin Connect™ mobile  
Battery Saver - customisable low power watch  
Controls smartphone music  
Plays and controls watch music  
Compatible with Garmin Messenger app  
Smart trainer control  
Compatible with Garmin Connect™ Mobile  
Smartphone compatibility iPhone®, Android™
Stocks  
Red shift mode  
Garmin Share  

Workout and Training Plans

Daily Suggested Workout - Running (Pace and Heart Rate Based)  
Daily Suggested Workout - Cycling (Pace and Heart Rate Based)  
Garmin Running Coach  
Garmin Running Coach Experts  
Garmin Cycling Coach  
Garmin Coach - Prebuilt Cycling Plans  
Cardio workouts  
Strength workouts  
HIIT workouts  
Yoga workouts  
Pilates workouts  
On-screen workout animations  
On-Screen Workout Muscle Map  

Activity profiles

Gym Strength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor rowing
Multisport Swimming/Running, Triathlon
WELLNESS Walking, Pilates, Yoga
INDOOR RUNNING Treadmill Running, Indoor Track Running, Virtual running
Outdoor running Running, Outdoor Track Running, Trail Running, Ultra Running
Outdoor recreation Hiking, Indoor Climbing, Bouldering, Climbing, Hunting, Horseback Riding, Golfing, Disc Golf, Archery
Cycling Biking, Road biking, Mountain Biking, Gravel biking, Bike commuting, Bike touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, BMX
Swim Pool Swimming, Open Water Swimming
On the water Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Boating, Sailing, Sail Racing, Water Skiing, Wakeboarding, Wakesurfing, Tubing, Snorkeling, Sailing Expedition, Whitewater
Motor sports Motorcycling, Overlanding, Motocrossing, ATVing, Snowmobile
Racket sports Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball
Snow & Winter Skiing, Snowboarding, Backcountry Snowboarding, XC Classic Skiing, Backcountry Skiing, Ice Skating, Snowshoeing
Sport profilesTeam sports Basketball, Volleyball, Field Hockey, Ice Hockey, Football, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball
In the ring Boxing, Mixed martial arts
Other activity profiles Jumpmaster, Tactical

Safety and tracking features

Incident detection during select activities  
Incident detection alert on phone for wearables  
Assistance  
Live event sharing  

Tactical features

Ballistics solver Yes (unlock required)
Dual grid coordinates  
KILL SWITCH  
Night vision mode  
Stealth mode  
XERO™ Locations  

Gaming Features

Gaming activity  
GameOn™ app compatible  

Diving features

Dive activity maximum operating depth 200 metres
Single-gas mode  
Multi-gas mode  
Gauge mode  
APNOEA mode  
APNOEA hunt mode  
Pool Apnea  
Decompression model Bühlmann ZHL-16c with gradient factors
Nitrox support  
Trimix support  
Closed Circuit Rebreather (CCR)  
Gas mixes Air, Nitrox and Trimix, up to 100% O2; 1 bottom gas and up to 11 deco and/or backup gases.
PO2 Up to 2.0 with customisable deco PO2 setting
Subwave™ support  
Air integration Yes (via Subwave™)
Number of transmitters supported 8
Gas time remaining  
Gas consumption rate  
Auto start/end dive  
Custom end-dive timeout Yes (20s to 10m)
Safety stop Yes (customisable off/3min/5min)
Deep stops Yes (using custom gradient factors)
Customisable conservatism Yes (low/medium/high or custom using gradient factors)
Dive ascent/descent rate indicator  
Automatic altitude adjustment  
No fly time  
Dive planner Yes (basic NDL + multi-gas deco planner)
Tides  
Backlight Yes (configurable time and intensity; auto-on at depth)
Automatically saves dive entry and exit locations  
Sync dive log to Garmin Dive™ Mobile app  
Custom dive data screens  
Alerts and alarms Audible and vibration alarms for ascent rate, PO2, CNS/OTU, NDL, deco, gas switching, tank pressure, gas consumption rate. Customisable (up to 40) audible and/or vibration per dive mode, based on depth or time
3-axis dive compass Yes (with adjustable heading, quick change to 90R, 90L and reciprocal). Indicates degrees and direction back to set heading
Missed deco lockout Yes (can be disabled prior to dive with user acknowledgement)
Residual tissue loading reset Yes (on the surface with user acknowledgement)
Surface diver status widget Yes (surface interval, N2/HE loading, CNS, OTU and tissue compartment status)
NDL Aware depth metrics  
Side mount  
Dive setting sync  

Boating features

Available boating profiles Boating, Sailing, Sail Racing
Anchor Alarm  
Autopilot control  
Boat data streaming CIQ
Virtual starting line  
Countdown timer  
Tack assist mode  
Built-in barometer and tide tables Yes (downloadable tides)
Wearable trolling motor remote  

Activity tracking features

Step counter  
Move alerts (displays on device after a period of inactivity; walk for a couple of minutes to reset it)  
Auto goal (learns your activity level and assigns a daily step goal)  
Calories Burned  
Floors climbed  
Distance travelled  
Intensity minutes  
TrueUp™  
Move IQ™  
Garmin Connect™ Challenges app Yes (optional Connect IQ app)
Automatic rep counting  

Training, planning and analysis features

Improved interval (includes open repeats, intervals data page, rest screen and auto detection)  
Customisable screen(s)  
Downloadable training plans  
Course guidance  
HR Zones  
HR Alerts  
HR Calories  
% HR Max  
% HRR  
Recovery Time  
Auto Max HR  
Race glance/widget  
HRV Status  
HRV stress test (measures your heart rate variability while standing still, for 3 minutes, to provide you with an estimated stress level; the scale of this is 1 to 100; low scores indicate lower stress levels) Yes (with compatible accessory)
HR Broadcast (broadcasts HR data over ANT+® to paired devices)  
Respiration Rate (During Exercise) Yes (with compatible accessory)
GPS speed and distance  
Customisable activity profiles  
Auto Pause® automatic timer halt  
Interval training  
Advanced workouts  
Power Modes - customisable in-activity battery settings  
HRM running pace and distance  
Auto Lap® interval tracking feature  
Manual lap  
Rest timer  
Configurable lap alerts  
Heat and Altitude Acclimation  
VO2 Max (Run)  
VO2 Max (Trail Run)  
Realtime Stamina  
ENDURANCE SCORE  
Load ratio  
Training Load  
Training load focus  
Training Effect  
Training Effect (Anaerobic)  
Primary benefit (training effect labels)  
Customisable alerts  
Voice alerts  
Finish time  
Virtual partner  
Race an activity  
Multi-sport  
Garmin Live Segments  
Strava Live Segments  
Round-trip course creator (running/cycling)  
Trendline™ Popularity Routing  
Touch and/or button lock  
Shortcuts  
Auto scroll  
Activity history on watch  
Physio TrueUp  
Unified Training Status  

Running features

GPS-based distance, time and pace  
Running dynamics  
Vertical oscillation and ratio  
Ground contact time and balance  
Stride length (real time)  
Cadence (provides real-time number of steps per minute)  
Running power  
Grade-adjusted pace  
Performance condition  
Lactate threshold Yes (with compatible accessory)
PacePro™ Pacing Strategies  
Run workouts  
HILL SCORE  
Trail run auto climb  
Race predictor  
Course- and weather-specific race predictor  
Foot pod capable  
Run/walk/stand detection  

Golfing features

Preloaded with 43,000 courses worldwide  
Yardage to F/M/B (distance to front, middle and back of green)  
Yardage to layups/doglegs  
Measures shot distance (calculates exact yardage for shots from anywhere on course) Automatic
Digital scorecard  
Custom targets  
Stat tracking (strokes, putts per round, greens and fairways hit)  
Garmin AutoShot™  
Full vector map  
Auto CourseView updates  
Green View with manual pin position  
Hazards and course targets  
PinPointer  
PlaysLike distance  
Touch-targeting (touch target on display to see the distance to any point)  
Handicap scoring  
Tempo Training  
Round timer/odometer  
Automatic club tracking compatible (requires accessory)  
Wind speed and direction (requires connection to the golf app)  
VIRTUAL CADDIE  
Pairs with Garmin Golf app  
Tournament legal  
Green Contours (with Garmin Golf membership)  
Putt tracking  

Outdoor recreation

Projected waypoint  
UltraTrac mode  
Elevation profile  
Distance to destination  
Barometric trend indicator with storm alert  
Vertical speed  
Total ascent/descent  
Rest timer (ultra run only)  
Auto Rest  
Future elevation plot  
GPS coordinates  
Sight 'N Go  
Area calculation Yes (via Connect IQ™)
Fish forecast  
Sun and moon information  
Expedition GPS Activity  
Tides  
Tides Glance  

Mapping & Navigation

Point-to-point navigation  
Breadcrumb trail in real time  
Back to start  
TracBack®  
Explore Nearby  
REFERENCE POINT  
Up Ahead  
ClimbPro™ Ascent Planner  
NextFork™ navigation  
Preloaded road and trail maps  
Preloaded ski resort maps  
Downloadable cartography support  

Cycling features

Courses  
Bike lap and lap maximum power (with power sensor)  
Race an activity  
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)  
FTP (Functional Threshold Power) Yes (with compatible accessory)
Power curve and FTP workouts  
Garmin cycle map (routable cycling-specific street map)  
MTB Grit & Flow  
Advanced cycling dynamics  
Compatible with Vector™ and Rally™ (power meters)  
Compatible with Varia Vision™ (head-mounted display)  
Compatible with Varia™ radar (rear-facing radar)  
Compatible with Varia™ lights  
Compatible with Varia headlight camera  
Speed and cadence sensor support (w/sensor)  
Power meter compatible  
Power guide  

Swimming features

Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories)  
Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories)  
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only)  
Drill logging (pool swim only)  
Basic rest timer (up from 0) (pool swim only)  
"Repeat on" rest timer (pool swim only)  
Auto rest (pool swim only)  
Time and distance alerts  
Pacing alerts (pool swim only)  
Countdown start  
Pool swim workouts  
Critical swim speed  
Underwater wrist-based heart rate  
Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim) Yes (with HRM-Tri, HRM-Swim, HRM-Pro or HRM-Pro Plus)

Security Information

Security updates until at least (YYYY-MM-DD) 2025-11-14

In The Box

Carbon Grey DLC Titanium with Black Band

  • Descent Mk3i – 51 mm, Carbon grey DLC titanium with black silicone band
  • Black extra-long adjustment strap
  • USB-C Clip Charging/Data Cable
  • Documentation

Carbon grey DLC titanium with DLC titanium band

  • Descent Mk3i – 51 mm, Carbon grey DLC titanium with DLC titanium band
  • Black QuickFit™ 26 silicone band
  • Black extra-long adjustment strap
  • USB-C Clip Charging/Data Cable
  • Documentation

Descent Mk3i – 51 mm Bundle

  • Descent Mk3i – 51 mm, Carbon grey DLC titanium with DLC titanium band
  • Descent T2 transmitter
  • Black extra-long adjustment strap
  • USB-C Clip Charging/Data Cable
  • Air spool
  • Documentation

Silver and black PVD titanium with black/pebble grey silicone band

  • Descent™ Mk3i – 51 mm, Silver and black PVD titanium with black/pebble grey silicone band
  • Black extra-long adjustment strap
  • USB-C Clip Charging/Data Cable
  • Documentation

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